You will be asked a series of questions, where you either reply by "Y" or "N" (yes or no) or simply press enter and let the program figure out the default reply (mentioned in square [] brackets). It will then install the appropriate debian packages.

Note: it will not fix the problems with other packages. I suggest running linux ppa packages without dkms package (without closed source packages like nvidia driver or virtualbox driver), in order to have a smooth, errorless installation.

Uninstall

To uninstall the kernel packages, remember to boot to a different kernel image first. Then you can use your favourite package manager to uninstall the packages.

If you prefer the command line, if you installed version 3.5.3, you can uninstall it using this command: